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Why e-mails from your domain land in spam, and how to fix it. We explain SPF, DKIM, DMARC and MX records in plain words, with example DNS entries. Articles show common mistakes such as too many SPF lookups, missing DKIM selectors or a DMARC policy that is never enforced. Each guide ends with the exact records to add or change. We also cover how to protect your domain from people sending e-mail in your name. Good e-mail authentication makes invoices, offers and password resets reach the inbox.
4 अक्तू॰ 2026 · 8 मिनट पढ़ेंDKIM Selectors Explained: How to Find Yours and Use Several
A DKIM selector tells receivers where to find your public key. Learn how to find the selector you use, run several senders and rotate…
1 अक्तू॰ 2026 · 7 मिनट पढ़ेंPostmaster and Abuse Mailboxes: Why Every Domain Needs Them
Postmaster, abuse and other role addresses let mail servers and people report problems with your domain. Learn which ones you need and how to…
1 अक्तू॰ 2026 · 7 मिनट पढ़ेंDMARC Failure Reports (ruf): What They Show and Their Limits
DMARC failure reports send details of individual messages that fail checks. Learn what ruf and fo do, why few providers send them, and privacy…
1 अक्तू॰ 2026 · 7 मिनट पढ़ेंCatch-All Email Addresses: Pros, Cons and the Spam Problem
A catch-all mailbox accepts mail sent to any address at your domain. See the benefits, the spam and security costs, and the safer alternatives…
1 अक्तू॰ 2026 · 8 मिनट पढ़ेंNo-Reply Email Addresses: Why They Hurt Deliverability
No-reply addresses frustrate customers and waste useful engagement signals. See when they cause harm, what to use instead, and how to route replies sensibly.
1 अक्तू॰ 2026 · 8 मिनट पढ़ेंSMTP Ports 25, 587 and 465: Which One Should You Use?
Port 25, 587 or 465? Learn what each SMTP port is for, which to use for your website or mail app, and how to…
30 सित॰ 2026 · 8 मिनट पढ़ेंGreylisting Explained: Why Some Emails Arrive Late
Greylisting makes a mail server refuse the first message from an unknown sender until it retries. Learn how it works, why it delays email…
30 सित॰ 2026 · 7 मिनट पढ़ेंEmail Sending Limits: Why Your Messages Get Throttled
Sending limits and throttling delay or block email when you send too much, too fast. Learn the limits that apply, how to read deferrals…
30 सित॰ 2026 · 8 मिनट पढ़ेंSpam Trigger Words: What Really Gets an Email Filtered
Lists of spam trigger words are mostly a myth. Learn what modern spam filters actually weigh, which content habits still hurt and what to…
30 सित॰ 2026 · 8 मिनट पढ़ेंFrom Name and Address: Email Sender Details That Build Trust
The From name, From address and Reply-To decide whether people trust and open your email. Learn how to choose them, avoid no-reply and keep…
30 सित॰ 2026 · 8 मिनट पढ़ेंWhy Your Emails Land in the Gmail Promotions Tab
The Gmail Promotions tab is not spam, but it changes how people see your mail. Learn why messages are sorted there and what you…
29 सित॰ 2026 · 8 मिनट पढ़ेंBackscatter: Why You Get Bounces for Emails You Never Sent
Getting bounce messages for emails you never sent? That is backscatter from spoofed spam. Learn how to tell if you were hacked and how…